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Audi A7 vs Mercedes G Class comparison

Compare performance (630 HP vs 605 HP), boot space and price (55,000 £ vs 106,600 £ ) at a glance. Find out which car is the better choice for you – Audi A7 or Mercedes G Class?

Audi A7 vs Mercedes G Class: Key differences

Audi A7

  • substantially cheaper
  • only slightly more power
  • clearly more efficient
  • visibly quicker 0–100 km/h
  • clearly lighter
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Mercedes G Class

  • considerably more electric range
  • moderately more trunk space
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By Achim Sedelmaier

Here’s where it gets real: The technical differences in detail

A7

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Audi A7 is substantially cheaper – starting at 55,000 £ , while the Mercedes G Class costs 106,600 £ . That’s a price difference of around 51,562 £.

Fuel consumption also shows a difference: the Audi A7 uses 1.2 L/100km and is clearly more efficient than the Mercedes G Class with 8.7 L/100km. The difference is about 7.5 L/100km.

As for electric range, the Mercedes G Class offers considerably more range – reaching up to 479 km, about 411 km more than the Audi A7.

G Class

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Audi A7 offers only slightly more power – delivering 630 HP compared to 605 HP. That’s roughly 25 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A7 is visibly quicker – completing the sprint in 3.4 s, while the Mercedes G Class takes 4.4 s. That’s about 1 s quicker.

There’s also a difference in torque: the Mercedes G Class delivers noticeably more torque with 1,164 Nm compared to 850 Nm. That’s about 314 Nm more.

A7

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Mercedes G Class offers more seats – 5 vs 4.

In terms of curb weight, Audi A7 is clearly lighter – 1,770 kg compared to 2,485 kg. The difference is around 715 kg.

Looking at boot space, the Mercedes G Class offers moderately more boot space – 640 L compared to 535 L. That’s a difference of about 105 L.

When it comes to payload, the Mercedes G Class carries a bit more – 715 kg compared to 600 kg. That’s a difference of about 115 kg.

Who wins the race in the data check?

The Audi A7 is decisively ahead in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from £55,000
A7

Audi A7

  • Engine Type : Diesel MHEV, Petrol MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Front-Wheel Drive
  • Power HP : 204 - 630 HP
  • Consumption L/100km : 1.2 - 12.2 L/100km
  • Electric Range : 67 - 68 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

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View detailed analysis

Audi A7

The Audi A7 wraps elegant fastback lines around a sumptuous, tech-packed cabin that turns everyday drives into something a bit more special. It strikes a polished balance between relaxed comfort and engaging poise, so you’ll enjoy long cruises and spirited backroad runs while arriving in unmistakable style.

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Mercedes G Class

The G-Class, often called the G‑Wagen, is a blocky icon that blends unapologetic off-road prowess with a plush, modern cabin, announcing your arrival before you even step out. It’s equally at home crawling over rocks or cruising city streets, and owning one feels like adopting a very expensive, very capable personality.

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Audi A7
Mercedes G Class

Costs and Consumption
Price
55,000 - 117,900 £
Price
106,600 - 171,000 £
Consumption L/100km
1.2 - 12.2 L/100km
Consumption L/100km
8.7 - 14.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
28 kWh/100km
Electric Range
67 - 68 km
Electric Range
479 km
Battery Capacity
14.4 kWh
Battery Capacity
-
co2
28 - 276 g/km
co2
0 - 336 g/km
Fuel tank capacity
52 - 73 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Off-Roader
Seats
4
Seats
5
Doors
5
Doors
-
Curb weight
1,770 - 2,150 kg
Curb weight
2,485 - 3,085 kg
Trunk capacity
380 - 535 L
Trunk capacity
640 L
Length
4,969 - 5,009 mm
Length
-
Width
1,908 - 1,950 mm
Width
1,931 - 1,984 mm
Height
1,422 - 1,424 mm
Height
-
Max trunk capacity
1,235 - 1,390 L
Max trunk capacity
-
Payload
510 - 600 kg
Payload
115 - 715 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
204 - 630 HP
Power HP
387 - 605 HP
Acceleration 0-100km/h
3.4 - 8.1 s
Acceleration 0-100km/h
4.4 - 5.8 s
Max Speed
245 - 280 km/h
Max Speed
-
Torque
370 - 850 Nm
Torque
760 - 1,164 Nm
Number of Cylinders
4 - 8
Number of Cylinders
6 - 8
Power kW
150 - 463 kW
Power kW
285 - 445 kW
Engine capacity
1,968 - 3,996 cm3
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2,023 - 2,024
Model Year
2,025 - 2,026
CO2 Efficiency Class
E, F, B, G
CO2 Efficiency Class
G, A
Brand
Audi
Brand
Mercedes-Benz
Is the Audi A7 offered with different drivetrains?

Available configurations include All-Wheel Drive or Front-Wheel Drive.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.